def _format_error(error: Exception, ) -> str:
error_stream = StringIO()
print_error(
stream=error_stream,
error=error,
)
return error_stream.getvalue()
def _serialize_error(
self,
error: Optional[Exception],
) -> Optional[str]:
if not error:
return None
error_stream = StringIO()
print_error(
error=error,
stream=error_stream,
)
return error_stream.getvalue()
def validate_configuration(
self,
configuration: RootConfiguration,
) -> None:
try:
configuration.validate()
except AttributesError as e:
error_stream = StringIO()
print_error(
error=e,
stream=error_stream,
)
self.fail(error_stream.getvalue())
def run(*args: str, ) -> None:
"""
Run the CLI.
Args:
args: command line arguments
"""
if not args:
args = tuple(sys.argv[1:])
parsed = _parse_args(*args)
try:
parsed.func(parsed)
except CoreException as e:
print_error(error=e, )
sys.exit(1)
except KeyboardInterrupt:
print_error_message(message='Interrupted by user.', )
sys.exit(130)
sys.exit(0)